OF INSECTS. 329 



thing like that of an ichneumon, and the thorax is 

 armed with two spines. All of them are exotic, 

 and but a small number are known. The individual 

 figured is from Bengal. It is of small size, not ex- 

 ceeding four lines, (the figure being very much 

 magnified,) the head, legs, and base of the abdomen 

 yellow; the apex of the latter blue-black. The 

 thorax is likewise of that colour, with a few white 

 dots behind. The apex of the wing with a brownish 

 black spot. 



ASILUS (BLEPHAROTES, West) ABDOMINALIS. 

 PLATE XXXV. Fig. 1. 



THIS represents a splendid insect belonging to the 

 family Asilidse, but differing from all the species of 

 that family in the broad flattened abdomen and in 

 the structure of the intermediate tarsi. These pecu- 

 liarities have led Mr. Westwood to propose a new 

 subgeneric name for its reception. 



This insect is of an obscure brownish-black, with 

 grey hairs; the nose is fringed with long fulvous 

 hairs ; the basal segment of the abdomen is thickly 

 clothed with grey hairs, the four following segments 

 smooth, shining, and of a rich green colour, with 

 the posterior margin whitish, the sides of these seg- 

 ments are furnished with thick brushes of brown 

 hair, those of the posterior segments being more 

 mixed with buff hairs ; the terminal segment is 

 corneous, and armed with two curved horny appen- 

 dages; the legs are robust and black; the inter- 

 mediate tibiae are short and clavate, with several 



